package event

import (
	"SciencesServer/app/common/model"
	"SciencesServer/serve/logger"
	"gorm.io/gorm"
	"time"
)

// Visit 浏览事件数据处理
type Visit struct{}

// Handle 操作处理
// @params: uid,kind,object
func (this *Visit) Handle(arg ...interface{}) {
	uid := arg[0].(uint64)
	kind := arg[1].(model.UserVisitKind)
	objectID := arg[2].(uint64)

	mUserVisit := model.NewUserVisit()

	isExist, err := model.FirstField(mUserVisit, []string{"id", "uid", "created_at"}, model.NewWhere("uid", uid),
		model.NewWhere("kind", kind), model.NewWhere("object_id", objectID))

	if err != nil {
		logger.ErrorF("Event 查询用户访问记录【%d - %d - %d】错误：%v", err, uid, kind, objectID)
		return
	}
	if isExist {
		if err = model.Updates(mUserVisit, map[string]interface{}{
			"count": gorm.Expr("visits + ?", 1), "date": time.Now(),
		}); err != nil {
			logger.ErrorF("Event 更新用户访问记录【%d - %d - %d】错误：%v", err, uid, kind, objectID)
		}
		return
	}
	mUserVisit.UID = uid
	mUserVisit.Kind = kind
	mUserVisit.ObjectID = objectID
	mUserVisit.Count = 1
	mUserVisit.Date = time.Now()
	if err = model.Create(mUserVisit); err != nil {
		logger.ErrorF("Event 保存用户访问记录【%d - %d - %d】错误：%v", err, uid, kind, objectID)
	}
	return
}

func NewVisit() *Visit {
	return &Visit{}
}